50 lines
1.6 KiB
LLVM
50 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86
|
|
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64
|
|
|
|
; This tests interaction between MergeICmp and ExpandMemCmp.
|
|
|
|
%"struct.std::pair" = type { i32, i32 }
|
|
|
|
define zeroext i1 @opeq1(
|
|
; X86-LABEL: opeq1:
|
|
; X86: # %bb.0: # %"entry+land.rhs.i"
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: movl (%ecx), %edx
|
|
; X86-NEXT: movl 4(%ecx), %ecx
|
|
; X86-NEXT: xorl (%eax), %edx
|
|
; X86-NEXT: xorl 4(%eax), %ecx
|
|
; X86-NEXT: orl %edx, %ecx
|
|
; X86-NEXT: sete %al
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: opeq1:
|
|
; X64: # %bb.0: # %"entry+land.rhs.i"
|
|
; X64-NEXT: movq (%rdi), %rax
|
|
; X64-NEXT: cmpq (%rsi), %rax
|
|
; X64-NEXT: sete %al
|
|
; X64-NEXT: retq
|
|
ptr nocapture readonly dereferenceable(8) %a,
|
|
ptr nocapture readonly dereferenceable(8) %b) local_unnamed_addr nofree nosync {
|
|
entry:
|
|
%0 = load i32, ptr %a, align 4
|
|
%1 = load i32, ptr %b, align 4
|
|
%cmp.i = icmp eq i32 %0, %1
|
|
br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit
|
|
|
|
land.rhs.i:
|
|
%second.i = getelementptr inbounds %"struct.std::pair", ptr %a, i64 0, i32 1
|
|
%2 = load i32, ptr %second.i, align 4
|
|
%second2.i = getelementptr inbounds %"struct.std::pair", ptr %b, i64 0, i32 1
|
|
%3 = load i32, ptr %second2.i, align 4
|
|
%cmp3.i = icmp eq i32 %2, %3
|
|
br label %opeq1.exit
|
|
|
|
opeq1.exit:
|
|
%4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ]
|
|
ret i1 %4
|
|
}
|
|
|
|
|